Toothbrush



FIG. 1 is a right front perspective view of a head portion of atoothbrush according to the new design;

FIG. 2 is a left front perspective view thereof;

FIG. 3 is a right rear perspective view thereof;

FIG. 4 is a left rear perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

The broken lines showing the remainder of the toothbrush head and thetoothbrush handle are for environmental purposes only form no part ofthe claimed design.

The ornamental design for a toothbrush, as shown and described.